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20+(30+200:[70-4800:(90-40:4)])

Răspuns :

Rayzen
[tex]20+\Big\{30+200:\big[70-4800:(90-40:4)\big]\Big\} = \\ \\ = 20+\Big\{30+200:\big[70-4800:(90-10)\big]\Big\} =\\ \\ = 20+\big[30+200:(70-4800:80)\big] = \\ \\ =20+\big[30+200:(70-60)\big] =\\ \\ = 20+(30+200:10) = \\ \\ = 20+(30+20) = \\ \\ = 20+50 = \\ \\ = 70[/tex]
C05E
20+{30+200:[70-4800:(90-40:4)]}=
20+{30+200:[70-4800:(90-10)]}=
20+{30+200:[70-4800:80]}=
20+{30+200:[70-60]}=
20+{30+200:10}=
20+{30+20}=
20+50=70

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